Article
Genetic and phenotypic trends in Polish large white nucleus swine herds.
Journal of animal science - 1 Feb 1991
Kaplon M J, Rothschild M F, Berger P J, Healey M
Abstract excerpt
Performance test records collected from 1978 to 1987 from on-farm tests of young Polish Large White boars from 94 herds and reproductive records of Polish Large White sows from 81 nucleus farms were used to estimate the phenotypic, environmental, and genetic trends. There were, after editing, 114,347 boar performance records and 41,080 litter records on sows. Both data sets were analyzed by use of an animal...
Topics
- Adipose Tissue
- Animal Husbandry
- Animals
- Breeding
- Female
- Genotype
- Litter Size
- Male
- Phenotype
- Reproduction
- Swine
- Weight Gain
